Name: brushless Motor Model: 5065 270KV Kv value: 320 rpm/v ESC: 80A Power: 1820W Shaft size: Dia.8 x 20mm Engine high: 60mm Engine diameter: 50mm Prop:14x10,15x10,16x10 A: 3KG-5,5 KG Maximum voltage: 41,5 Lipo: 3S-8S (11,1 V-29,6 V) Internal resistance: 20mOhm No-load current: 1.0-3.3A Voltage without load: 13V Cable length: approximately 140mm The black line is connected "-", the is connected "+", the yellow line is connected to the receiver Material: Metal+electronic components colour: red Package Contents: 1 x motor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.